SK1472010U1 - Hydraulic cylinder off clutch - Google Patents

Abstract

Hydraulic clutch cylinder equipped with a plunger slidably stored in the working cylinder has a piston (2) wear a groove in the sealing collar (5) and O-ring (6) and located between at least one groove (8). Cylinder barrel (1) is attached to the mounting bracket (9) breaking mechanism with pin joints, placed in the hole (13) so that the cylinder barrel (1) the possibility of bilateral swing axis pin located in a bore (13).

Description

Name: Clutch Release Hydraulic Cylinder

Technical field

The subject of the utility model is a hydraulic clutch release cylinder equipped with a sliding piston in a working cylinder.

BACKGROUND OF THE INVENTION

Known solutions of hydraulic clutch release cylinders are constructed as a construction with a single sealing element located on a piston on the working fluid inlet side, these cylinders being fixed in axial direction in a plurality of holes on a mounting flange located on the body. In these cylinders, the pressure of the clutch release pin causes a load on the sealing sleeve, the hydraulic cylinder body fixedly attached to the clamping bracket increases this load.

The essence of the technical solution

The utility model aims to provide a solution that improves the cylinder sealing system and simplifies the assembly of the cylinder to the release mechanism.

This object is achieved by a utility model in which the piston of the hydraulic cylinder has a sealing collar and an O-ring on its working periphery. At least one lubrication groove is located between the sealing collar and the O-ring, which is located on the cylindrical surface of the piston terminated by an axial conical bore. The conical bore of the piston fixes the closure of the clutch release pin. The cylinder body is secured to the clutch release mechanism mounting bracket by a pin located in a hole on the cylinder body flange. The cylinder body has the possibility of a two-sided inclination by a desired angle about the pivot axis located in the cylinder body bore.

This solution allows pressure to be directed to the piston in the region of the lubrication grooves located near the center of the piston. Excessive lateral force growth is prevented by the articulation of the cylinder to the mounting bracket of the clutch mechanism, allowing the body to rotate about the axis of the mounting pin. In addition, this mounting solution is simpler and cheaper than multiple hole mounting.

Overview of the figures in the drawing

An exemplary embodiment of a utility pattern is shown in the drawings, of which FIG. 1 shows a side view of a hydraulic cylinder with a partial longitudinal section through its piston; FIG. 2 shows a longitudinal view of the cylinder with its attachment to the fastening bracket of the clutch mechanism and is described below.

Example

The hydraulic clutch release cylinder according to the utility model consists of a cylinder body 1 with a functional opening in which the piston 2 is slidably mounted. A sealing sleeve 5 is mounted in the recess at the periphery of the piston away from the inlet 7 supplying pressure p of the working fluid. The second face has a recess mounted O-ring 6 in the recess. Between the sealing collar 5 and the O-ring 6, two lubricating grooves 8 are formed on the periphery of the piston located in the central part of the piston near the spherical surface 14. lubricant during cylinder operation. The spherical surface 14 is the end of the conical bore in the piston. The clutch release mechanism pushes the ball pin 14 under pressure of force F. The inlet of this pin to the inside of the cylinder is sealed with a duster 3 which is inserted into the recess on the outer shoulder of the cylinder body 1. The duster prevents dirt from entering the cylinder. The return of the piston to the starting position is provided by a return mechanism located outside the cylinder.

The cylinder body 1 has a mounting flange with apertures 13 at the inlet opening 7. In one of these apertures is inserted a pin 12 with a head on one side of the mounting bracket 9 and secured by a washer 10 and a pawl 11 on the other side against sliding out of the mounting bracket 9. The mounting of the cylinder on the pin 12 allows the cylinder body 1 to tilt about the axis of the pin 12 on both sides by the desired angle q. As a result, the piston and the cylinder body can be adjusted in the direction of the force F and the mounting of the cylinder body 1 into the mounting bracket 9 is easier. Close to the mounting flange, the cylinder body 1 has a vent hole closed by a vent screw 4.

Industrial usability

The hydraulic clutch release cylinder according to the utility model can be used to control the clutch release in tractors and other motor vehicles.

Protection claims

Claims (1)

A clutch release hydraulic cylinder, characterized in that it has a piston (2) displaceably disposed in the body (1), which has a sealing sleeve (5) and an O-ring (6) fitted on the functional diameter and also at least one lubrication between them. a groove (8) located near the spherical surface 14, which is the end of the tapered bore in the piston axis (2), fixing the end of the clutch release mechanism push pin, the cylinder body (1) is fixed to the clutch release mechanism mounting bracket (9) by a pin ( 12), located in the bore (13) on the flange of the cylinder body (1), the cylinder body (1) having the possibility of a two-sided swivel by an angle ()) about the pivot axis located in the hole (13).